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Science projects, videos and experiments for various grades and topics.

Science Projects or Science Experiments: Grades 4 & 5

The Radiation of Heat
Eureka! Episode 28 - Heat as Energy
Heat is produced whenever there is movement and friction between two objects. Since movement is a form of energy, it follows that heat must also be a form of energy.
Eureka! Episode 29 - Radiation Waves
Viewers learn that one of the chief ways in which heat energy moves is in the form of waves. This kind of heat transfer is called radiation.

Eureka! Episode 30 - Radiation Spectrum
Viewers learn that the waves of heat energy radiated by the sun come in many forms, which together make a band, or spectrum, of energy waves


Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

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